A cone is attached to a cylinder of diameter 15cm. The perpendicular height of the cylinder and the cone are both equal to the diameter of the cylinder. Find total surface area of combined solid.
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it's given that height of cone and cylinder is 15 and radius is 15/2
TSA of solid = πrl+2πrh+πr2
=πr(l+2h+r)
=22/7*15/2*(35/2+30+15/2)
=22/7*15/2*(110/2)
=11/7*15*55
=605*15/7
=9075/7
=1296.42857cm2
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